Home / 28,516,921.80-42,770,133.90-17,714,891.40

Finding the Fourth Proportional to 28,516,921.80, 42,770,133.90 and 17,714,891.40

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Solution

The fourth proportional to 28,516,921.80, 42,770,133.90 and 17,714,891.40 is: 26,569,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,921.80 : 42,770,133.90 = 17,714,891.40 : x
  2. Step 2: Convert to fraction form
    28,516,921.80/42,770,133.90 = 17,714,891.40/x
  3. Step 3: Cross multiply
    28,516,921.80x = 42,770,133.90 × 17,714,891.40
  4. Step 4: Simplify right side
    28,516,921.80x = 757,668,277,201,958.38
  5. Step 5: Solve for x
    x = 757,668,277,201,958.38/28,516,921.80
  6. Step 6: Final answer
    x = 26,569,076.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.